[R] weighted nonlinear least squares wtih gnls

Peter Schlattmann peter.schlattmann at medizin.fu-berlin.de
Wed Oct 23 14:43:09 CEST 2002

Dear all,

I try to perform weighted linear least squares wtih using glns.

The weights are something like


my dataframe is named test and I add ww to test by test$ww

Now using 


does not produce any usable weights. Does anyone have a
working exampel for this kind of problem?

Thans a lot for oyur help

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